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Siemens ED21B050 - Molded Case Circuit Breaker 50A 1P (10kA AIC)

Siemens
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Siemens ED21B050 is a molded case circuit breaker designed for providing reliable overcurrent protection in single-phase electrical systems. It features a 50A current rating and a 120V AC voltage rating, housed within a compact 125A/ED frame. The breaker is constructed for durability with a standard trip unit offering Long-Time and Instantaneous (LI) protection functions and is rated for operation in temperatures from -25°C to 70 °C (-13 to 158 °F). It complies with UL standards and is HACR rated for use in heating, air conditioning, and refrigeration equipment. This breaker is typically applied within Siemens SB switchboards and Sentron panelboards for branch circuit protection in commercial and industrial settings.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Standard Trip Unit (LI)
  • Voltage Rating: 120V AC
  • Current Rating: 50A
  • Frame Size: 125A/ED
  • AIC Rating: 10kA @ 120V
  • Poles: 1
  • Phase: 1
  • Connection: Lug In Panelboard, Load Side Lug
  • Wire Size: AWG 10 to AWG 4, Copper or Aluminum
  • MCM Size: Minimum 12 AWG (Al) / 14 AWG (Cu), Maximum 10 AWG
  • Temp Rating: -25°C to 70 °C (-13 to 158 °F)
  • Standards: UL Listed, HACR Rated
  • Panel Type: SB Switchboards, Sentron Panelboards
  • Phase Connection: Any
  • Breaker Type: Standard
  • Functions: Long-Time and Instantaneous Trip (LI)
  • Weight: 1.1 lb


Product Identification
  • UPC: 783643208773
  • GTIN: 00783643208773